Description |

The Crankbrothers GEM S Hand Pump is a compact, precision-focused mini pump designed for riders who want reliable inflation and accurate pressure readings on the road or trail. Small enough to mount discreetly on your frame or slip into a pack, the GEM S is ideal for road, gravel, and mountain riders who value control over guesswork.

Features |

• Gem pumps feature a hybrid alloy/composite construction for low weight and high strength
• The lightweight Gem pumps also feature a convertible head for Presta or Schrader valves, and a patented high volume/high pressure air switch: use the high volume mode under 40 psi for quick inflation, then rotate the switch to the high pressure mode for easier pumping up to 100 psi
• All Gem pumps include a bottle cage bracket mount for convenient on-bike storage

Specs |

Weight	131 g
Pressure	100+psi / 7+bar
Air Switch	High volume / high pressure
Length	176mm
Bracket Mount	Included